all 4100's interchangable?

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HT4100 4.1, 4.5, 4.9 Discussion, all 4100's interchangable? in Cadillac Engine Technical Discussion; I have a 87 coupe deville. Need to drop a new engine in it so my question is are all ...
  1. #1
    nickh is offline Cadillac Owners Member
    Automobile(s): 90 sedan deville 87 coupe deville (project)
    Join Date
    Dec 2007

    all 4100's interchangable?

    I have a 87 coupe deville. Need to drop a new engine in it so my question is are all 4100s interchangable?? DO i have to get one off a certain group of cars or the first running 4100 i can find?

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  3. #2
    ehall's Avatar
    ehall is offline Cadillac Owners Connoisseur
    Automobile(s): 1985 Sedan DeVille
    Join Date
    Aug 2007
    Southern Maryland

    Re: all 4100's interchangable?

    The engine has a VIN of its own and you will need to match to the type.

    see this list

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